Use the following information to find of gaseous HC1:

Chapter 5, Problem 79P

(choose chapter or problem)

Use the following information to find $\Delta{}$ ${H}_{f}^{°}$ of gaseous HCl:

N2(g) + 3H2(g) $\rightarrow{}\$ 2NH3(g) $\Delta{}$ H°rxn = -91.8 kJ

N2(g) + 4H2(g) + Cl2(g) $\rightarrow{}\$ 2NH4Cl(s) $\Delta{}$ H°rxn = -628.8 kJ

NH3(g) + HCl(g) $\rightarrow{}\$ NH4Cl(s) $\Delta{}$ H°rxn = -176.2 kJ

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